The Regulation of ROS and Phytohormones in Balancing Crop Yield and Salt Tolerance

Salinity affects crop growth and productivity, and this stress can be increased along with drought or high temperature stresses and poor irrigation management. Cultivation of salt-tolerant crops plays a critical role in enhancing crop yield under salt stress. In the past few decades, the mechanisms...

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Main Authors: Lei Jiang, Minggang Xiao, Rongfeng Huang, Juan Wang
Format: Article
Language:English
Published: MDPI AG 2025-01-01
Series:Antioxidants
Subjects:
Online Access:https://www.mdpi.com/2076-3921/14/1/63
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author Lei Jiang
Minggang Xiao
Rongfeng Huang
Juan Wang
author_facet Lei Jiang
Minggang Xiao
Rongfeng Huang
Juan Wang
author_sort Lei Jiang
collection DOAJ
description Salinity affects crop growth and productivity, and this stress can be increased along with drought or high temperature stresses and poor irrigation management. Cultivation of salt-tolerant crops plays a critical role in enhancing crop yield under salt stress. In the past few decades, the mechanisms of plant adaptation to salt stress have been described, especially relying on ionic homeostasis, reactive oxygen species (ROS) scavenging, and phytohormone signaling. The studies of these molecular mechanisms have provided a basis for breeding new salt-tolerant crop germplasm and have facilitated the entry into the era of molecular breeding of salt-tolerant crops. In this review, we outline the recent progress in the molecular regulations underlying crop salt tolerance, focusing on the double-edged sword effect of ROS, the regulatory role of phytohormones, and the trade-off effects of ROS and phytohormones between crop yield and salt tolerance. A future challenge is to identify superior alleles of key salt-tolerant genes that will accelerate the breeding of high-yield and salt-tolerant varieties.
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spelling doaj-art-9948bc3d67784e87bcd0e8275f5c22032025-01-24T13:19:21ZengMDPI AGAntioxidants2076-39212025-01-011416310.3390/antiox14010063The Regulation of ROS and Phytohormones in Balancing Crop Yield and Salt ToleranceLei Jiang0Minggang Xiao1Rongfeng Huang2Juan Wang3Biotechnology Research Institute, Chinese Academy of Agricultural Sciences, Beijing 100081, ChinaBiotechnology Research Institute, Heilongjiang Academy of Agricultural Sciences, Harbin 150028, ChinaBiotechnology Research Institute, Chinese Academy of Agricultural Sciences, Beijing 100081, ChinaBiotechnology Research Institute, Chinese Academy of Agricultural Sciences, Beijing 100081, ChinaSalinity affects crop growth and productivity, and this stress can be increased along with drought or high temperature stresses and poor irrigation management. Cultivation of salt-tolerant crops plays a critical role in enhancing crop yield under salt stress. In the past few decades, the mechanisms of plant adaptation to salt stress have been described, especially relying on ionic homeostasis, reactive oxygen species (ROS) scavenging, and phytohormone signaling. The studies of these molecular mechanisms have provided a basis for breeding new salt-tolerant crop germplasm and have facilitated the entry into the era of molecular breeding of salt-tolerant crops. In this review, we outline the recent progress in the molecular regulations underlying crop salt tolerance, focusing on the double-edged sword effect of ROS, the regulatory role of phytohormones, and the trade-off effects of ROS and phytohormones between crop yield and salt tolerance. A future challenge is to identify superior alleles of key salt-tolerant genes that will accelerate the breeding of high-yield and salt-tolerant varieties.https://www.mdpi.com/2076-3921/14/1/63reactive oxygen species signalingoxidative stressphytohormonesalt stresscrop yieldsuperior alleles
spellingShingle Lei Jiang
Minggang Xiao
Rongfeng Huang
Juan Wang
The Regulation of ROS and Phytohormones in Balancing Crop Yield and Salt Tolerance
Antioxidants
reactive oxygen species signaling
oxidative stress
phytohormone
salt stress
crop yield
superior alleles
title The Regulation of ROS and Phytohormones in Balancing Crop Yield and Salt Tolerance
title_full The Regulation of ROS and Phytohormones in Balancing Crop Yield and Salt Tolerance
title_fullStr The Regulation of ROS and Phytohormones in Balancing Crop Yield and Salt Tolerance
title_full_unstemmed The Regulation of ROS and Phytohormones in Balancing Crop Yield and Salt Tolerance
title_short The Regulation of ROS and Phytohormones in Balancing Crop Yield and Salt Tolerance
title_sort regulation of ros and phytohormones in balancing crop yield and salt tolerance
topic reactive oxygen species signaling
oxidative stress
phytohormone
salt stress
crop yield
superior alleles
url https://www.mdpi.com/2076-3921/14/1/63
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